In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does that tiny extra percentage ac...
Wildfires in Canada have been spreading dangerous smoke pollution throughout much of North America. What is a dangerous size of particles per cubic meter (PM)? How tiny is th...
Sunrise on summer solstice at Stonehenge
On Wednesday, June 21st, at 10:57 am EDT, the Earth's North Pole will be tilted as far towards the Sun as it will ever be in the ye...
Today, Wednesday, January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year?
In this activity students become fam...
Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe flooding, and high ...
By George C. Baxley
This year we will add the 29th of February to our year? Why do we do that? How can you tell? What if we didn't add a day every 4 years?
Stud...
Could this possibly be true? What is reasonable? How do you check? Do you believe everything that you hear or read? Do you fact-check?
While considering the veracity of this statement s...
Weather temperatures have been extreme in the World lately. Australia is experiencing an unprecedented heat wave and the U.S. is experiencing a Polar Vortex.
Let your students examine ...
Note: This is not intended as a comprehensive activity with solutions. Instead, it serves as a discussion prompt. Have fun!
It's been a crazy winter of extremes through much o...